US20190315591A1 - Elevator control button assembly - Google Patents
Elevator control button assembly Download PDFInfo
- Publication number
- US20190315591A1 US20190315591A1 US16/383,931 US201916383931A US2019315591A1 US 20190315591 A1 US20190315591 A1 US 20190315591A1 US 201916383931 A US201916383931 A US 201916383931A US 2019315591 A1 US2019315591 A1 US 2019315591A1
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- United States
- Prior art keywords
- rods
- control button
- elevator control
- elevator
- activation element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
- B66B1/16—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of a single car or cage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
- B66B1/462—Mechanical or piezoelectric input devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/52—Floor selectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/463—Wherein the call is registered through physical contact with the elevator system
Definitions
- the invention relates to an elevator control button assembly and to an elevator system comprising such an elevator control button assembly.
- An elevator system comprises at least one elevator car traveling along a hoistway between a plurality of landings.
- elevator control buttons are provided at the landings (elevator hall call buttons) and within the elevator car (elevator car control buttons).
- Conventional elevator control buttons may be difficult to identify and to operate for a passenger and/or mechanic
- an elevator control button assembly which is configured to be employed in an elevator system, comprises a stationary reference element, a movable activation element, and at least two rods.
- the activation element is movable with respect to the reference element.
- the at least two rods are arranged between the reference element and the activation element extending non-parallel to each other. Each of the rods contacts the reference element and the activation element.
- the rods are configured to move, in particular pivot, when the activation element is moved with respect to the reference element.
- an elevator control button assembly may have a larger activation surface area than conventional elevator control buttons.
- a reliable elevator control button assembly with an increased activation surface area may be provided.
- An elevator control button assembly with such increased activation surface area is easier to identify and to activate than conventional elevator control buttons.
- the invention provides an elevator control button which can be activated by pushing anywhere on its increased activation surface.
- Exemplary embodiments of the invention also include an elevator system comprising an elevator car traveling along a hoistway and at least one elevator control button assembly according to an exemplary embodiment of the invention.
- the at least one elevator control button assembly may be employed as an elevator hall call button or as an elevator car control button.
- An elevator system employing such an elevator control button assembly is easier to operate than an elevator system comprising conventional elevator control buttons.
- the reference element and the activation element may be planar elements extending parallel to each other.
- the reference element and the activation element in particular may be rectangular plates, for example quadratic plates, or round plates, for example elliptical or circular plates, extending parallel to each other.
- reference element and the activation element extend parallel to each other, as long as the activation element may be moved properly with respect to the reference element.
- the activation element may have an extension of at least 5 cm ⁇ 5 cm in two orthogonal dimensions (width and length), in particular an extension of at least 8 cm ⁇ 8 cm, more particularly an extension of at least 10 cm ⁇ 10 cm.
- the dimensions of the reference element may basically correspond with the dimensions of the activation element.
- the elevator control button assembly may comprise at least one electrical switch configured to be activated by the movement of the activation element with respect to the reference element.
- the rods may be configured for pushing the activation element into a released (non-activated) position when no external force is applied to the activation element in order to ensure that the activation element is arranged in the released position when no external force is applied.
- At least one of the rods may comprise a main portion and at least one end portion.
- the at least one end portion may be bent or cranked with respect to the main portion in order to allow elastically fixing the at least one rod to at least one of the reference element and the activation element.
- the at least one rod in particular may comprise two bent or cranked end portions allowing both ends of the at least one rod to be elastically fixed to at least one of the reference element or the activation element, respectively.
- Elastically fixing the at least one rod to the reference element or to the activation element causes the at least one rod to push the activation element into its released (non-activated) position when no external force is applied to the activation element.
- the at least one end portion may be bent or cranked with respect to the main portion at an angle between 85° and 95°, in particular at an angle of 88° to 92°, more particularly at an angle of 90°.
- At least one of the reference element and the activation element may comprise at least one fixing portion which is configured for elastically fixing one of the rods, in particular an end portion of one of the rods, to the respective element.
- Each of the fixing portions may comprise two legs extending parallel to each other from the reference element or from the activation element, respectively.
- the legs in particular may extend orthogonally from the respective element.
- An end portion of one of the rods may be clamped between the two legs for elastically fixing the rod to the respective element.
- At least one of the reference element and the activation element may comprise at least one guiding portion which is configured for guiding one of the rods, in particular an end portion of one of the rods, when the rods are moved with respect to the elements in order to ensure a well-defined movement of the rod with respect to the respective element.
- the at least one fixing portion and/or the at least one guiding portion may be formed integrally with the reference element or with the activation element, respectively.
- the at least one fixing portion and/or the at least one guiding portion may be attached or mounted to the reference element or to the activation element, respectively.
- At least one of the reference element and the activation element may be made of a plastic material having a low weight and allowing producing the elements at low costs.
- at least one of the reference element and the activation element may be made of a metallic material, e.g. aluminum or stainless steel.
- the activation element may be made at least partially from transparent material.
- the elevator control button assembly may further comprise at least one light source configured for illuminating the activation element for constituting a background illumination of the elevator control button assembly.
- the rods may be made of a metallic material, such as steel, providing the desired strength and flexibility.
- Two of the at least two rods may be arranged in an L-shaped configuration.
- the two rods may extend along a periphery of the reference element and the activation element.
- the two rods may be arranged in an X-shaped configuration thereby crossing a center region of the reference element and the activation element, respectively.
- the elevator control button assembly may comprise more than two rods, in particular three or four rods. Three rods may be arranged in a triangular configuration. Four rods may be arranged in a rectangular configuration, in particular in a quadratic configuration.
- the projections of at least two rods may intersect each other. This configuration provides a particularly strong configuration of the rods.
- the projections of the rods onto the reference element may be arranged in a configuration in which they do not intersect with each other in order to reliably avoid any interference between the rods.
- FIG. 1 schematically depicts an elevator system comprising an elevator car according to an exemplary embodiment of the invention.
- FIG. 2 schematically depicts a front view of a landing door (elevator hoistway door) of an elevator system including an elevator control button assembly according to an exemplary embodiment of the invention.
- FIG. 3 depicts a perspective explosive view of an elevator control button assembly according to an exemplary embodiment of the invention.
- FIG. 4 depicts a plane view onto the elevator control button assembly shown in FIG. 3 .
- FIG. 5 a depicts a perspective view of the elevator control button assembly in a released state.
- FIG. 5 b depicts a side view of the elevator control button assembly in the released state.
- FIG. 6 a depicts a perspective view of the elevator control button assembly in an activated state.
- FIG. 6 b depicts a side view of the elevator control button assembly in the activated state.
- FIGS. 7 to 11 depict plane views onto elevator control button assemblies according to alternative embodiments of the invention.
- FIG. 1 schematically depicts an elevator system 2 comprising an elevator car 6 according to an exemplary embodiment of the invention.
- the elevator system 2 comprises a hoistway 4 extending in a longitudinal direction between a plurality of landings 8 located on different floors.
- the elevator car 6 comprises a floor 16 , a ceiling 18 and sidewalls 17 extending between the floor 16 and the ceiling 18 defining an interior space of the elevator car 6 . Only one sidewall 17 is depicted in the schematic illustration of FIG. 1 .
- the elevator car 6 is movably suspended within the hoistway 4 by means of a tension member 3 .
- the tension member 3 for example a rope or belt, is connected to a drive 5 , which is configured for driving the tension member 3 in order to move the elevator car 6 along the longitudinal direction/height of the hoistway 4 between the plurality of landings 8 .
- Each landing 8 is provided with a landing door (elevator hoistway door) 10
- the elevator car 6 is provided with a corresponding elevator car door 11 allowing passengers to transfer between a landing 8 and the interior space of the elevator car 6 when the elevator car 6 is positioned at the respective landing 8 .
- the exemplary embodiment of the elevator system 2 shown in FIG. 1 employs a 1:1 roping for suspending the elevator car 6 .
- the skilled person easily understands that the type of the roping is not essential for the invention and that different kinds of roping, e.g. a 2:1 roping, may be used as well.
- the elevator system 2 may further include a counterweight (not shown) moving concurrently and in opposite direction with respect to the elevator car 6 .
- the elevator system 2 may be an elevator system 2 without a counterweight, as it is shown in FIG. 1 .
- the drive 5 may be any form of drive used in the art, e.g. a traction drive, a hydraulic drive or a linear drive.
- the elevator system 2 may have a machine room or may be a machine room-less elevator system.
- the elevator system 2 may use a tension member 3 , as it is shown in FIG. 1 , or it may be an elevator system without a tension member 3 , comprising e.g. a hydraulic drive or a linear drive (not shown).
- the drive 5 is controlled by an elevator control 15 for moving the elevator car 6 along the hoistway 4 between the different landings 8 .
- Input to the elevator control 15 may be provided via elevator hall call buttons 7 a, which are provided on each landing 8 close to the elevator landing doors 10 , and/or via elevator car control buttons 7 b provided inside the elevator car 6 .
- the elevator hall call buttons 7 a and the elevator car control buttons 7 b may be connected to the elevator control 15 by means of electrical lines, which are not shown in FIG. 1 , in particular by an electric bus, e.g. a field bus such as a CAN bus, or by means of wireless data connections.
- an electric bus e.g. a field bus such as a CAN bus, or by means of wireless data connections.
- the elevator car 6 is provided with a position sensor 19 .
- the position sensor 19 may be arranged at the top of the elevator car 6 as shown in FIG. 1 .
- the position sensor 19 may be provided at a side of the elevator car 6 or at the bottom, e.g. below a floor 16 , of the elevator car 6 .
- FIG. 2 schematically depicts a front view of one of the landing doors 10 of the elevator system 2 .
- the landing door 10 comprises a landing door frame 9 and two movable landing door panels 12 a, 12 b.
- An elevator hall call button 7 a according to an exemplary embodiment of the invention is provided at the landing door frame 9 .
- elevator hall call button 7 a may be provided at each landing 8 .
- a first elevator hall call button 7 a for traveling upwards and a similar second elevator hall call button (not shown in FIG. 2 ) for traveling downwards may be provided.
- the elevator hall call button(s) 7 a may be mounted to a wall 14 next to the landing door 10 or to a separate elevator control unit (not shown) arranged in the vicinity of the landing door 10 .
- FIG. 3 depicts a perspective explosive view of an elevator control button assembly 7 according to an exemplary embodiment of the invention.
- the elevator control button assembly 7 may be used as an elevator hall call button 7 a or as an elevator car control button 7 b, respectively.
- FIG. 4 depicts a sectional view through the elevator control button assembly 7 shown in FIG. 3 .
- the elevator control button assembly 7 comprises a base (housing) 20 , which may be mounted to the frame 9 of a landing door 10 , to a wall 14 next to a landing door 10 , to a separate elevator control unit, or to a sidewall 17 of an elevator car 6 (cf. FIG. 1 ).
- At least one electrical switch 30 is provided at the base 20 .
- a stationary reference element 22 in particular a planar (plate-shaped) reference element 22 , is non-movably arranged within the base 20 .
- An opening 31 is formed in a central portion of the stationary reference element 22 opposite to the at least one electrical switch 30 .
- the reference element 22 is equipped with a plurality of fixing portions 32 and guiding portions 34 , respectively protruding from the side of the reference element 22 facing away from the base 20 .
- the fixing portions 32 and the guiding portions 34 may be formed integrally with the reference element 22 .
- the fixing portions 32 and the guiding portions 34 may be attached or mounted to the reference element 22 .
- the fixing portions 32 and the guiding portions 34 are configured for fixing and guiding two rods 24 a, 24 b provided on the side of the reference element 22 facing away from the base 20 .
- Each of the rods 24 a, 24 b comprises a straight central main portion 25 a, 25 b, and two end portions 23 a, 23 b, which are bent/cranked with respect to the main portions 25 a, 25 b.
- the end portions 23 a, 23 b in particular are bent/cranked at an angle of 85° to 95° with respect to the main portions 25 a, 25 b, in particular at an angle of 88° to 92°, more particularly at an angle of 90°.
- the two rods 24 a, 24 b are attached to the reference element 22 via the fixing portions 32 .
- Each fixing portion 32 comprises two legs extending parallel to each other orthogonally from the surface of the reference element 22 .
- An end portion 23 a, 23 b of one of the rods 24 a, 24 b is clamped between each pair of legs, respectively.
- apertures 36 are formed within the reference element 22 .
- the two rods 24 a, 24 b extend non-parallel to each other parallel to the reference element 22 .
- the two rods 24 a, 24 b in particular extend orthogonally to each other.
- the projections of the rods 24 a, 24 b intersect each other (cf. FIG. 4 ).
- a movable activation element 26 in particular a planar (plate-shaped) activation element 26 extending parallel to the reference element 22 , is provided next to the rods 24 a, 24 b opposite to the reference element 22 .
- the reference element 22 and the activation element 26 are arranged so that the rods 24 a, 24 b are arranged in a gap 29 (cf. FIGS. 5 a , 5 b , 6 a , 6 b ) between the reference element 22 and the activation element 26 and contact both elements 22 , 26 .
- the bent/cranked end portions 23 a, 23 b of the rods 24 a, 24 b contact (are fixed to) the fixing portions 32 of the reference element 22 , and the outer periphery of the straight main portions 25 a, 25 b of the rods 24 a, 24 b abut laterally against the activation element 26 .
- the activation element 26 comprises protrusions 25 protruding towards the reference element 22 .
- the protrusions 25 are formed at positions corresponding to the apertures 36 formed within the reference element 22 allowing the protrusions 25 to extend through the apertures 36 formed within the reference element 22 .
- the activation element 26 further comprises openings 27 formed at positions corresponding to the positions of at least some of the fixing elements 32 allowing said fixing elements 32 to pass through the openings 27 when the activation element 26 is moved towards the reference element 22 .
- a cover plate 28 is provided on the side of the activation element 26 facing away from the rods 24 a, 24 b. In an assembled state, the outer periphery of the cover plate 28 is fixed to the periphery of the base 20 . The cover plate 28 delimits the movement of the activation element 26 . The cover plate 28 is at least partially flexible in order to allow moving the activation element 26 towards the reference element 22 by pressing onto the cover plate 28 deforming the cover plate 28 towards the reference element 22 .
- the base 20 , the reference element 22 , the activation element 26 and the cover plate 28 may be made of a plastic material or a metallic material.
- the rods 24 a, 24 b may be made of a metal such as (stainless) steel.
- the activation element 26 and the cover plate 28 may be at least partially transparent allowing light emitted by at least one light source 40 provided at the base 20 to pass through for establishing a background illumination of the cover plate 28 .
- At least some of the fixing elements 32 and/or of the guiding elements 34 may be provided at the activation element 26 instead of the reference element 22 for allowing at least one of the rods 24 a, 24 b to be attached to the activation element 26 .
- FIG. 5 a depicts a perspective view of the elevator control button assembly 7 in a released, i.e. not activated, state
- FIG. 5 b depicts a side view of the elevator control button assembly 7 in the released state.
- FIG. 6 a depicts a perspective view of the elevator control button assembly 7 in an activated state
- FIG. 6 b depicts a side view of the elevator control button assembly 7 in the activated state.
- FIGS. 5 a , 5 b , 6 a and 6 b For clarity of illustration, only the reference element 22 , the activation element 26 , the electrical switch 30 and the two rods 24 a, 24 b are depicted in FIGS. 5 a , 5 b , 6 a and 6 b.
- the bent/cranked ends 23 a, 23 b of the rods 24 a, 24 b are attached to the reference element 22 by the fixing portions 32 in a manner generating an elastic tension pressing the outer periphery of the main portions 25 a, 25 b of the rods 24 a, 24 b against the activation element 26 .
- the activation element 26 is pushed away from the reference element 22 and the activation element 26 does not contact the electrical switch 30 , which therefore is not activated.
- a force F is applied to the cover plate 28 deforming at least a portion of the cover element 28 and pushing the activation element 26 towards the reference element 22 (see FIGS. 6 a , 6 b , which do not include the cover element 28 ).
- the bent/cranked end portions 23 a, 23 b of the rods 24 a, 24 b are elastically deformed and/or moved within the fixing portions 32 allowing the main portions 25 a, 25 b of the rods 24 a, 24 b to move.
- the main portions 25 a, 25 b of the rods 24 a, 24 b in particular may pivot with respect to the fixing portions 32 .
- the width of the gap 29 formed between the reference element 22 and the activation element 26 is reduced and the activation element 26 moves towards the reference element 22 .
- the activation element 26 has moved a certain distance towards the reference element 22 , it contacts and activates the electrical switch 30 .
- FIGS. 7 to 11 Non-limiting examples of such configurations are schematically illustrated in FIGS. 7 to 11 .
- FIGS. 7 to 11 For reasons of clarity, only the reference element 22 and the rods 24 a - 24 d are depicted in FIGS. 7 to 11 .
- FIG. 7 depicts a configuration in which the two rods 24 a, 24 b are arranged in an L-shaped configuration. When the two rods 24 a, 24 b are projected onto the reference element 22 , the projections do not intersect each other.
- FIG. 8 depicts a configuration comprising three roods 24 a, 24 b, 24 c arranged in a triangular configuration forming an equilateral triangle.
- the projections of the three rods 24 a, 24 b, 24 c onto the reference element 22 do not intersect each other as well.
- FIGS. 9 to 11 depict configurations comprising four rods 24 a - 24 d, respectively.
- the rods 24 a - 24 d are arranged forming a rectangle, in particular a square.
- the projections of the rods 24 a - 24 d onto the reference element 22 do not intersect each other.
- the rods 24 a - 24 d are arranged in a nested configuration in which the arcuate portions of each rod 24 a - 24 d are arranged next to a straight main portion 25 a - 25 d of an adjacent rod 24 a - 24 d, respectively.
- the arcuate portions formed between the main portions 25 a - 25 d and the bent/cranked portions 23 a - 23 d of the rods 24 a - 24 d are arranged next to each other almost abutting each other.
- the rods 24 a - 24 d are arranged in a configuration in which the projections of the rods 24 a - 24 d onto the reference element 22 intersect each other.
- the rods 24 a - 24 d in particular are arranged forming two pairs of parallel extending rods 24 a - 24 d.
- the two pairs are arranged orthogonally with respect to each other forming a central rectangle 38 , in particular a central square, defined by the main portions 25 a - 25 d of the rods 24 a - 24 d.
- the bent/cranked end portions 23 a - 23 d of the two rods 24 a - 24 d of each pair extend towards each other.
- the bent/cranked end portions 23 a - 23 d of the two rods 24 a - 24 d of each pair may be oriented in the same direction, or they may be oriented facing away from each other.
- Embodiments of the present invention are not limited to the configurations illustrated in the figures.
- the skilled person will understand that the rods 24 a - 24 d may be arranged in alternative geometrical configurations not shown in the figures and that configurations comprising more than four rods 24 a - 24 d may be used.
- the rods 24 a - 24 d employed in an elevator control button assembly 7 prevent an undesirable tilting and/or jamming of the activation element 26 enhancing the reliability of the elevator control button assembly 7 .
- a reliable elevator control button assembly 7 having a comparatively large activation surface may be provided.
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- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Control (AREA)
Abstract
An elevator control button assembly (7), in particular an elevator hall call button (7a), to be employed in an elevator system (2) comprises a stationary reference element (22); an activation element (26), which is movable with respect to the reference element (22); and at least two rods (24a-24d). The at least two rods (24a-24d) are arranged non-parallel to each other between the reference element (22) and the activation element (26). Each of the rods (24a-24d) contacts the reference element (22) and the activation element (26), respectively. The at least two rods (24a-24d) are configured for moving when the activation element (26) is moved with respect to the reference element (22).
Description
- The invention relates to an elevator control button assembly and to an elevator system comprising such an elevator control button assembly.
- An elevator system comprises at least one elevator car traveling along a hoistway between a plurality of landings. For controlling the movement of the elevator car, elevator control buttons are provided at the landings (elevator hall call buttons) and within the elevator car (elevator car control buttons). Conventional elevator control buttons may be difficult to identify and to operate for a passenger and/or mechanic
- It therefore is desirable to provide improved elevator control buttons, in particular elevator control buttons which are easier to identify and to operate.
- According to an exemplary embodiment of the invention, an elevator control button assembly, which is configured to be employed in an elevator system, comprises a stationary reference element, a movable activation element, and at least two rods. The activation element is movable with respect to the reference element. The at least two rods are arranged between the reference element and the activation element extending non-parallel to each other. Each of the rods contacts the reference element and the activation element. The rods are configured to move, in particular pivot, when the activation element is moved with respect to the reference element.
- The rods arranged between the reference element and the activation element prevent an undesirable tilting and/or jamming of the activation element even in case the activation element covers a large surface area, in particular a surface area which is considerably larger than the activation surfaces of conventional elevator control buttons. The at least two rods further ensure that the activation element reliably returns to its released (non-activated) position when no external force is applied. Thus, an elevator control button assembly according to an exemplary embodiment of the invention may have a larger activation surface area than conventional elevator control buttons.
- As a result, a reliable elevator control button assembly with an increased activation surface area may be provided. An elevator control button assembly with such increased activation surface area is easier to identify and to activate than conventional elevator control buttons. The invention provides an elevator control button which can be activated by pushing anywhere on its increased activation surface.
- Exemplary embodiments of the invention also include an elevator system comprising an elevator car traveling along a hoistway and at least one elevator control button assembly according to an exemplary embodiment of the invention. The at least one elevator control button assembly may be employed as an elevator hall call button or as an elevator car control button. An elevator system employing such an elevator control button assembly is easier to operate than an elevator system comprising conventional elevator control buttons.
- A number of optional features are set out in the following. These features may be realized in particular embodiments, alone or in combination with any of the other features.
- The reference element and the activation element may be planar elements extending parallel to each other. The reference element and the activation element in particular may be rectangular plates, for example quadratic plates, or round plates, for example elliptical or circular plates, extending parallel to each other.
- It is, however, not mandatory that the reference element and the activation element extend parallel to each other, as long as the activation element may be moved properly with respect to the reference element.
- For allowing easy identification and activation of the activation element, the activation element may have an extension of at least 5 cm×5 cm in two orthogonal dimensions (width and length), in particular an extension of at least 8 cm×8 cm, more particularly an extension of at least 10 cm×10 cm.
- The dimensions of the reference element may basically correspond with the dimensions of the activation element.
- In order to provide an electric switching functionality, the elevator control button assembly may comprise at least one electrical switch configured to be activated by the movement of the activation element with respect to the reference element.
- The rods may be configured for pushing the activation element into a released (non-activated) position when no external force is applied to the activation element in order to ensure that the activation element is arranged in the released position when no external force is applied.
- At least one of the rods may comprise a main portion and at least one end portion. The at least one end portion may be bent or cranked with respect to the main portion in order to allow elastically fixing the at least one rod to at least one of the reference element and the activation element. The at least one rod in particular may comprise two bent or cranked end portions allowing both ends of the at least one rod to be elastically fixed to at least one of the reference element or the activation element, respectively.
- Elastically fixing the at least one rod to the reference element or to the activation element causes the at least one rod to push the activation element into its released (non-activated) position when no external force is applied to the activation element.
- For providing an efficient elastic fixation of the at least one rod, the at least one end portion may be bent or cranked with respect to the main portion at an angle between 85° and 95°, in particular at an angle of 88° to 92°, more particularly at an angle of 90°.
- At least one of the reference element and the activation element may comprise at least one fixing portion which is configured for elastically fixing one of the rods, in particular an end portion of one of the rods, to the respective element.
- Each of the fixing portions may comprise two legs extending parallel to each other from the reference element or from the activation element, respectively. The legs in particular may extend orthogonally from the respective element.
- An end portion of one of the rods may be clamped between the two legs for elastically fixing the rod to the respective element.
- At least one of the reference element and the activation element may comprise at least one guiding portion which is configured for guiding one of the rods, in particular an end portion of one of the rods, when the rods are moved with respect to the elements in order to ensure a well-defined movement of the rod with respect to the respective element.
- The at least one fixing portion and/or the at least one guiding portion may be formed integrally with the reference element or with the activation element, respectively.
- Alternatively, the at least one fixing portion and/or the at least one guiding portion may be attached or mounted to the reference element or to the activation element, respectively.
- At least one of the reference element and the activation element may be made of a plastic material having a low weight and allowing producing the elements at low costs. Alternatively, at least one of the reference element and the activation element may be made of a metallic material, e.g. aluminum or stainless steel. The activation element may be made at least partially from transparent material.
- The elevator control button assembly may further comprise at least one light source configured for illuminating the activation element for constituting a background illumination of the elevator control button assembly.
- The rods may be made of a metallic material, such as steel, providing the desired strength and flexibility.
- Two of the at least two rods may be arranged in an L-shaped configuration. In particular the two rods may extend along a periphery of the reference element and the activation element. Alternatively, the two rods may be arranged in an X-shaped configuration thereby crossing a center region of the reference element and the activation element, respectively.
- The elevator control button assembly may comprise more than two rods, in particular three or four rods. Three rods may be arranged in a triangular configuration. Four rods may be arranged in a rectangular configuration, in particular in a quadratic configuration.
- When projected onto the reference element, the projections of at least two rods may intersect each other. This configuration provides a particularly strong configuration of the rods.
- Alternatively, the projections of the rods onto the reference element may be arranged in a configuration in which they do not intersect with each other in order to reliably avoid any interference between the rods.
- In the following an exemplary embodiment of the invention is described with reference to the enclosed figures.
-
FIG. 1 schematically depicts an elevator system comprising an elevator car according to an exemplary embodiment of the invention. -
FIG. 2 schematically depicts a front view of a landing door (elevator hoistway door) of an elevator system including an elevator control button assembly according to an exemplary embodiment of the invention. -
FIG. 3 depicts a perspective explosive view of an elevator control button assembly according to an exemplary embodiment of the invention. -
FIG. 4 depicts a plane view onto the elevator control button assembly shown inFIG. 3 . -
FIG. 5a depicts a perspective view of the elevator control button assembly in a released state. -
FIG. 5b depicts a side view of the elevator control button assembly in the released state. -
FIG. 6a depicts a perspective view of the elevator control button assembly in an activated state. -
FIG. 6b depicts a side view of the elevator control button assembly in the activated state. -
FIGS. 7 to 11 depict plane views onto elevator control button assemblies according to alternative embodiments of the invention. -
FIG. 1 schematically depicts an elevator system 2 comprising anelevator car 6 according to an exemplary embodiment of the invention. - The elevator system 2 comprises a hoistway 4 extending in a longitudinal direction between a plurality of
landings 8 located on different floors. - The
elevator car 6 comprises afloor 16, a ceiling 18 andsidewalls 17 extending between thefloor 16 and the ceiling 18 defining an interior space of theelevator car 6. Only onesidewall 17 is depicted in the schematic illustration ofFIG. 1 . - The
elevator car 6 is movably suspended within the hoistway 4 by means of atension member 3. Thetension member 3, for example a rope or belt, is connected to adrive 5, which is configured for driving thetension member 3 in order to move theelevator car 6 along the longitudinal direction/height of the hoistway 4 between the plurality oflandings 8. - Each
landing 8 is provided with a landing door (elevator hoistway door) 10, and theelevator car 6 is provided with a correspondingelevator car door 11 allowing passengers to transfer between alanding 8 and the interior space of theelevator car 6 when theelevator car 6 is positioned at therespective landing 8. - The exemplary embodiment of the elevator system 2 shown in
FIG. 1 employs a 1:1 roping for suspending theelevator car 6. The skilled person, however, easily understands that the type of the roping is not essential for the invention and that different kinds of roping, e.g. a 2:1 roping, may be used as well. The elevator system 2 may further include a counterweight (not shown) moving concurrently and in opposite direction with respect to theelevator car 6. Alternatively, the elevator system 2 may be an elevator system 2 without a counterweight, as it is shown inFIG. 1 . Thedrive 5 may be any form of drive used in the art, e.g. a traction drive, a hydraulic drive or a linear drive. The elevator system 2 may have a machine room or may be a machine room-less elevator system. The elevator system 2 may use atension member 3, as it is shown inFIG. 1 , or it may be an elevator system without atension member 3, comprising e.g. a hydraulic drive or a linear drive (not shown). - The
drive 5 is controlled by anelevator control 15 for moving theelevator car 6 along the hoistway 4 between thedifferent landings 8. - Input to the
elevator control 15 may be provided via elevatorhall call buttons 7 a, which are provided on eachlanding 8 close to theelevator landing doors 10, and/or via elevatorcar control buttons 7 b provided inside theelevator car 6. - The elevator
hall call buttons 7 a and the elevatorcar control buttons 7 b may be connected to theelevator control 15 by means of electrical lines, which are not shown inFIG. 1 , in particular by an electric bus, e.g. a field bus such as a CAN bus, or by means of wireless data connections. - In order to determine the current position of the
elevator car 6, theelevator car 6 is provided with aposition sensor 19. Theposition sensor 19 may be arranged at the top of theelevator car 6 as shown inFIG. 1 . Alternatively, theposition sensor 19 may be provided at a side of theelevator car 6 or at the bottom, e.g. below afloor 16, of theelevator car 6. -
FIG. 2 schematically depicts a front view of one of thelanding doors 10 of the elevator system 2. The landingdoor 10 comprises alanding door frame 9 and two movablelanding door panels - An elevator
hall call button 7 a according to an exemplary embodiment of the invention is provided at thelanding door frame 9. - The skilled person will understand that more than one elevator
hall call button 7 a may be provided at eachlanding 8. In particular, a first elevatorhall call button 7 a for traveling upwards and a similar second elevator hall call button (not shown inFIG. 2 ) for traveling downwards may be provided. The skilled person further understands that, alternatively to mounting the elevator hall call button(s) 7 a to thedoor frame 9, the elevator hall call button(s) 7 a may be mounted to awall 14 next to the landingdoor 10 or to a separate elevator control unit (not shown) arranged in the vicinity of the landingdoor 10. -
FIG. 3 depicts a perspective explosive view of an elevator control button assembly 7 according to an exemplary embodiment of the invention. The elevator control button assembly 7 may be used as an elevatorhall call button 7 a or as an elevatorcar control button 7 b, respectively.FIG. 4 depicts a sectional view through the elevator control button assembly 7 shown inFIG. 3 . - The elevator control button assembly 7 comprises a base (housing) 20, which may be mounted to the
frame 9 of alanding door 10, to awall 14 next to alanding door 10, to a separate elevator control unit, or to asidewall 17 of an elevator car 6 (cf.FIG. 1 ). - At least one
electrical switch 30 is provided at the base 20. - A
stationary reference element 22, in particular a planar (plate-shaped)reference element 22, is non-movably arranged within the base 20. Anopening 31 is formed in a central portion of thestationary reference element 22 opposite to the at least oneelectrical switch 30. - The
reference element 22 is equipped with a plurality of fixingportions 32 and guidingportions 34, respectively protruding from the side of thereference element 22 facing away from the base 20. The fixingportions 32 and the guidingportions 34 may be formed integrally with thereference element 22. Alternatively, the fixingportions 32 and the guidingportions 34 may be attached or mounted to thereference element 22. - The fixing
portions 32 and the guidingportions 34 are configured for fixing and guiding tworods reference element 22 facing away from the base 20. - Each of the
rods end portions end portions - The two
rods reference element 22 via the fixingportions 32. Each fixingportion 32 comprises two legs extending parallel to each other orthogonally from the surface of thereference element 22. Anend portion rods portions 32,apertures 36 are formed within thereference element 22. - The two
rods reference element 22. In the configuration illustrated inFIGS. 3 and 4 , the tworods reference element 22, the projections of therods FIG. 4 ). - A
movable activation element 26, in particular a planar (plate-shaped)activation element 26 extending parallel to thereference element 22, is provided next to therods reference element 22. - The
reference element 22 and theactivation element 26 are arranged so that therods FIGS. 5a, 5b, 6a, 6b ) between thereference element 22 and theactivation element 26 and contact bothelements end portions rods portions 32 of thereference element 22, and the outer periphery of the straight main portions 25 a, 25 b of therods activation element 26. - The
activation element 26 comprises protrusions 25 protruding towards thereference element 22. The protrusions 25 are formed at positions corresponding to theapertures 36 formed within thereference element 22 allowing the protrusions 25 to extend through theapertures 36 formed within thereference element 22. Theactivation element 26 further comprisesopenings 27 formed at positions corresponding to the positions of at least some of the fixingelements 32 allowing said fixingelements 32 to pass through theopenings 27 when theactivation element 26 is moved towards thereference element 22. - A
cover plate 28 is provided on the side of theactivation element 26 facing away from therods cover plate 28 is fixed to the periphery of the base 20. Thecover plate 28 delimits the movement of theactivation element 26. Thecover plate 28 is at least partially flexible in order to allow moving theactivation element 26 towards thereference element 22 by pressing onto thecover plate 28 deforming thecover plate 28 towards thereference element 22. - The base 20, the
reference element 22, theactivation element 26 and thecover plate 28 may be made of a plastic material or a metallic material. Therods - The
activation element 26 and thecover plate 28 may be at least partially transparent allowing light emitted by at least one light source 40 provided at the base 20 to pass through for establishing a background illumination of thecover plate 28. - In an alternative configuration, which is not shown in the figures, at least some of the fixing
elements 32 and/or of the guidingelements 34 may be provided at theactivation element 26 instead of thereference element 22 for allowing at least one of therods activation element 26. - Operation of the exemplary elevator control button assembly 7 depicted in
FIGS. 3 and 4 is described in the following with reference toFIGS. 5a, 5b, 6a and 6 b. -
FIG. 5a depicts a perspective view of the elevator control button assembly 7 in a released, i.e. not activated, state, andFIG. 5b depicts a side view of the elevator control button assembly 7 in the released state. -
FIG. 6a depicts a perspective view of the elevator control button assembly 7 in an activated state, andFIG. 6b depicts a side view of the elevator control button assembly 7 in the activated state. - For clarity of illustration, only the
reference element 22, theactivation element 26, theelectrical switch 30 and the tworods FIGS. 5a, 5b, 6a and 6 b. - The bent/cranked ends 23 a, 23 b of the
rods reference element 22 by the fixingportions 32 in a manner generating an elastic tension pressing the outer periphery of the main portions 25 a, 25 b of therods activation element 26. In consequence, theactivation element 26 is pushed away from thereference element 22 and theactivation element 26 does not contact theelectrical switch 30, which therefore is not activated. - The movement of the
activation element 26 away from thereference element 22 is delimited by thecover plate 28 attached to the base 20 - For activating the
electrical switch 30, a force F is applied to thecover plate 28 deforming at least a portion of thecover element 28 and pushing theactivation element 26 towards the reference element 22 (seeFIGS. 6a, 6b , which do not include the cover element 28). - Due to the force F applied to the
activation element 26, the bent/crankedend portions rods portions 32 allowing the main portions 25 a, 25 b of therods rods portions 32. As a result, the width of thegap 29 formed between thereference element 22 and theactivation element 26 is reduced and theactivation element 26 moves towards thereference element 22. When theactivation element 26 has moved a certain distance towards thereference element 22, it contacts and activates theelectrical switch 30. - As soon as the
activation element 26 is released, i.e. when no actuating force F is applied to theactivation element 26 anymore, the elastic forces of therods rods activation element 26, back into the released position depicted inFIGS. 5a and 5 b. - The skilled person understands that the configuration of the
rods FIGS. 3, 4, 5 a, 5 b, 6 a and 6 b is only exemplary, and that alternative configurations may be employed as well. - Non-limiting examples of such configurations are schematically illustrated in
FIGS. 7 to 11 . For reasons of clarity, only thereference element 22 and therods 24 a-24 d are depicted inFIGS. 7 to 11 . -
FIG. 7 depicts a configuration in which the tworods rods reference element 22, the projections do not intersect each other. -
FIG. 8 depicts a configuration comprising threeroods rods reference element 22 do not intersect each other as well. -
FIGS. 9 to 11 depict configurations comprising fourrods 24 a-24 d, respectively. - In the configurations shown in
FIGS. 9 and 10 , therods 24 a-24 d are arranged forming a rectangle, in particular a square. The projections of therods 24 a-24 d onto thereference element 22 do not intersect each other. - In the configuration shown in
FIG. 9 , therods 24 a-24 d are arranged in a nested configuration in which the arcuate portions of eachrod 24 a-24 d are arranged next to a straight main portion 25 a-25 d of anadjacent rod 24 a-24 d, respectively. In the configuration shown inFIG. 10 , the arcuate portions formed between the main portions 25 a-25 d and the bent/cranked portions 23 a-23 d of therods 24 a-24 d are arranged next to each other almost abutting each other. - In the configuration depicted in
FIG. 11 , therods 24 a-24 d are arranged in a configuration in which the projections of therods 24 a-24 d onto thereference element 22 intersect each other. Therods 24 a-24 d in particular are arranged forming two pairs of parallel extendingrods 24 a-24 d. The two pairs are arranged orthogonally with respect to each other forming a central rectangle 38, in particular a central square, defined by the main portions 25 a-25 d of therods 24 a-24 d. - In the configuration depicted in
FIG. 11 , the bent/cranked end portions 23 a-23 d of the tworods 24 a-24 d of each pair extend towards each other. In alternative configurations not shown in the figures, the bent/cranked end portions 23 a-23 d of the tworods 24 a-24 d of each pair may be oriented in the same direction, or they may be oriented facing away from each other. - Embodiments of the present invention are not limited to the configurations illustrated in the figures. The skilled person will understand that the
rods 24 a-24 d may be arranged in alternative geometrical configurations not shown in the figures and that configurations comprising more than fourrods 24 a-24 d may be used. - In the configurations illustrated in
FIGS. 3 to 11 , allrods 24 a-24 d have the same length. This feature, however, is not mandatory. Instead,configurations comprising rods 24 a-24 d having different lengths may be employed as well. - The
rods 24 a-24 d employed in an elevator control button assembly 7 according to exemplary embodiments of the invention prevent an undesirable tilting and/or jamming of theactivation element 26 enhancing the reliability of the elevator control button assembly 7. As a result, a reliable elevator control button assembly 7 having a comparatively large activation surface may be provided. - While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adopt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention is not limited to the particular embodiments disclosed, but that the invention includes all embodiments falling within the scope of the claims.
- 2 elevator system
- 3 tension member
- 4 hoistway
- 5 drive
- 6 elevator car
- 7 elevator control button assembly
- 7 a elevator hall call button
- 7 b elevator cat control button
- 8 landing
- 9 landing door frame
- 10 landing door
- 11 elevator car door
- 12 a, 12 b landing door panes
- 14 wall
- 15 elevator control
- 16 floor of the elevator car
- 17 sidewall of the elevator car
- 18 ceiling of the elevator car
- 19 position sensor
- 20 base
- 22 reference element
- 23 a-23 d end portions of the rods
- 24 a-24 d rods
- 25 a-25 d main portions of the rods
- 26 activation elements
- 27 opening
- 28 cover
- 29 gap
- 30 electrical switch
- 32 fixing portion
- 34 guiding portion
- 36 apertures
- 38 central rectangle
- 40 light source
Claims (15)
1. Elevator control button (7), in particular an elevator hall call button (7 a) or an elevator car control button (7 b), comprising:
a stationary reference element (22);
an activation element (26), which is movable with respect to the reference element (22); and
at least two rods (24 a-24 d) extending non-parallel to each other between the reference element (22) and the activation element (26), each of the rods (24 a-24 d) contacting the reference element (22) and the activation element (26), respectively;
wherein the at least two rods (24 a-24 d) are configured to move when the activation element (26) is moved with respect to the reference element (22).
2. Elevator control button (7) according to claim 1 , wherein the reference element (22) and the activation element (26) are planar elements extending parallel to each other.
3. Elevator control button (7) according to claim 2 , wherein the planar activation element (26) has an extension of at least 5 cm×5 cm in length and width directions, in particular an extension of at least 8 cm×8 cm, more particularly an extension of at least 10 cm×10 cm.
4. Elevator control button (7) according to claim 1 , further comprising at least one electrical switch (30) configured to be activated by the movement of the activation element (26).
5. Elevator control button (7) according to claim 4 , wherein the at least two rods (24 a-24 d) are configured for pushing the activation element (26) into a released position, in which the electrical switch (30) is not activated, when no external force is applied to the activation element (26).
6. Elevator control button (7) according to claim 1 , wherein at least one of the rods (24 a-24 d) comprises a main portion (25 a-25 d) and at least one end portion (23 a-23 d) which is bent or cranked with respect to the main portion (25 a-25 d), wherein the at least one rod (24 a-24 d) in particular comprises two bent or cranked end portions (23 a-23 d).
7. Elevator control button (7) according to claim 6 , wherein the at least one end portion (23 a-23 d) is bent or cranked at an angle between 85° and 95°, in particular at an angle of 88° to 92°, more particularly at an angle of 90° with respect to the main portion (25 a-25 d).
8. Elevator control button (7) according to claim 1 , wherein at least one of the reference element (22) and the activation element (26) comprises at least one fixing portion (32) configured for fixing one of the rods (24 a-24 d), in particular an end portion (23 a-23 d) of the one of the rods (24 a-24 d), to the respective element (22, 26), wherein the at least one fixing portion (32) in particular is configured for elastically fixing the one of the rods (24 a-24 d).
9. Elevator control button (7) according to claim 1 , wherein at least one of the reference element (22) and the activation element (26) comprises at least one guiding portion (34) configured for guiding one of the rods (24 a-24 d), in particular an end portion (23 a-23 d) of the one of the rods (24 a-24 d).
10. Elevator control button (7) according to claim 1 , comprising three or four rods (24 a-24 d), wherein the three rods (24 a-24 d) in particular are arranged in a triangular configuration, and wherein the four rods (24 a-24 d) in particular are arranged in a rectangular configuration, more particularly in a quadratic configuration.
11. Elevator control button (7) according to claim 1 , wherein at least two of the rods (24 a-24 d) are arranged in an L-shaped configuration or in an X-shaped configuration.
12. Elevator control button (7) according to claim 1 , wherein projections of at least two rods (24 a-24 d) onto the reference element (22) intersect with each other.
13. Elevator control button (7) according to claim 1 , wherein projections of the rods (24 a-24 d) onto the reference element (22) do not intersect with each other.
14. Elevator control button (7) according to claim 1 , wherein the activation element (26) is at least partially transparent and the elevator control button assembly (7) further comprises at least one light source (40) configured for illuminating the activation element (26).
15. Elevator system (2) comprising an elevator car (6) traveling along a hoistway (14) and at least one elevator control button (7) according to claim 1 .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18305468.3A EP3556701A1 (en) | 2018-04-16 | 2018-04-16 | Elevator control button assembly |
EP18305468.3 | 2018-04-16 |
Publications (1)
Publication Number | Publication Date |
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US20190315591A1 true US20190315591A1 (en) | 2019-10-17 |
Family
ID=62046832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/383,931 Abandoned US20190315591A1 (en) | 2018-04-16 | 2019-04-15 | Elevator control button assembly |
Country Status (3)
Country | Link |
---|---|
US (1) | US20190315591A1 (en) |
EP (1) | EP3556701A1 (en) |
CN (1) | CN110386523A (en) |
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JPH05234456A (en) * | 1992-02-21 | 1993-09-10 | Fujitsu Ltd | Key switch with link mechanism |
US20040256210A1 (en) * | 2003-06-19 | 2004-12-23 | Omron Corporation | Push-button switch |
US20100231518A1 (en) * | 2008-04-29 | 2010-09-16 | Stephen Chen | Keyboard having multi-axis balance touch keys |
US20180197698A1 (en) * | 2017-01-06 | 2018-07-12 | Primax Electronics Ltd. | Keyboard device |
US10401970B1 (en) * | 2018-03-30 | 2019-09-03 | Primax Electronics Ltd. | Keyboard device and manufacturing method thereof |
US10490373B2 (en) * | 2015-09-02 | 2019-11-26 | Jian-Ping YUAN | Key with balance rods and keyboard |
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JPS595512B2 (en) * | 1976-09-16 | 1984-02-04 | 株式会社日立製作所 | Elevator hoistway fixture mounting device |
DE3405654C2 (en) * | 1984-02-17 | 1996-02-29 | Asea Brown Boveri | Actuator for switching devices |
FI933340A (en) * | 1993-07-26 | 1995-01-27 | Kone Oy | Elevator push button board |
WO2007070054A1 (en) * | 2005-12-15 | 2007-06-21 | Otis Elevator Company | Call related elevator car identification |
JP5083623B2 (en) * | 2008-05-28 | 2012-11-28 | オムロン株式会社 | Push-button switch |
JP6248824B2 (en) * | 2014-06-19 | 2017-12-20 | オムロン株式会社 | Push-button switch |
CN204111096U (en) * | 2014-09-09 | 2015-01-21 | 田正清 | A kind of ultrathin embedded elevator button |
CN105775941A (en) * | 2014-12-26 | 2016-07-20 | 三菱电机上海机电电梯有限公司 | Control method for elevator car operation box with landing information feedback function |
TW201812814A (en) * | 2016-09-09 | 2018-04-01 | 致伸科技股份有限公司 | Key structure |
-
2018
- 2018-04-16 EP EP18305468.3A patent/EP3556701A1/en not_active Withdrawn
-
2019
- 2019-04-15 US US16/383,931 patent/US20190315591A1/en not_active Abandoned
- 2019-04-16 CN CN201910304343.XA patent/CN110386523A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05234456A (en) * | 1992-02-21 | 1993-09-10 | Fujitsu Ltd | Key switch with link mechanism |
US20040256210A1 (en) * | 2003-06-19 | 2004-12-23 | Omron Corporation | Push-button switch |
US20100231518A1 (en) * | 2008-04-29 | 2010-09-16 | Stephen Chen | Keyboard having multi-axis balance touch keys |
US10490373B2 (en) * | 2015-09-02 | 2019-11-26 | Jian-Ping YUAN | Key with balance rods and keyboard |
US20180197698A1 (en) * | 2017-01-06 | 2018-07-12 | Primax Electronics Ltd. | Keyboard device |
US10401970B1 (en) * | 2018-03-30 | 2019-09-03 | Primax Electronics Ltd. | Keyboard device and manufacturing method thereof |
Also Published As
Publication number | Publication date |
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EP3556701A1 (en) | 2019-10-23 |
CN110386523A (en) | 2019-10-29 |
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Owner name: OTIS ELEVATOR COMPANY, CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PEIGNE, VICTOR;REEL/FRAME:048886/0607 Effective date: 20180419 |
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